|
| |
| |
|
|
|
1, 14, 124, 1124, 10624, 103124, 1015624, 10078124, 100390624, 1001953124, 10009765624, 100048828124, 1000244140624, 10001220703124, 100006103515624, 1000030517578124, 10000152587890624, 100000762939453124
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,2
|
|
|
LINKS
| Harvey P. Dale, Table of n, a(n) for n = 0..998
|
|
|
FORMULA
| G.f.: 1/(1-10*x)+1/(1-5*x)-1/(1-x). E.g.f.: e^(10*x)+e^(5*x)-e^x.
a(n)=15*a(n-1)-50*a(n-2)-36 with a(0)=1, a(1)=14 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jul 21 2010]
a(0)=1, a(1)=14, a(2)=124, a(n)=16*a(n-1)-65*a(n-2)+50*a(n-3) [From Harvey P. Dale, Oct 17 2011]
|
|
|
MATHEMATICA
| Table[10^n+5^n-1, {n, 0, 20}] (* or *) LinearRecurrence[{16, -65, 50}, {1, 14, 124}, 20] (* From Harvey P. Dale, Oct 17 2011 *)
|
|
|
CROSSREFS
| A155624, A155625, A155626, A155627, A155628, A155629, A155630, A155631, A155632, A155633, A155634, A155635, A155636
Sequence in context: A125377 A147590 A167602 * A126535 A041001 A025211
Adjacent sequences: A155634 A155635 A155636 * A155638 A155639 A155640
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Mohammad K. Azarian (azarian(AT)evansville.edu), Jan 30 2009
|
| |
|
|
